Sailor's Pigmented Kiwaguro ink is a pigmented black ink that is safe to use in any pen. The pigmentation allows the ink to be incredibly water resistant, as well as contributes to the intense shading and sheening of the ink. As with any Sailor Ink, Sailor Kiwaguro flows incredibly well. 12 Cartridges Made in Japan

Pigmented Ink - 10 cartridges - Blue - Platinum Do not leave pigmented inks in an unused fountain pen and clean your pen regularly.

Ink For Profit Brush Pens - Black - 3 Cartridges - Sailor Made in Japan

Sailor's Pigmented Souboku ink is a pigmented blue ink that is safe to use in any pen. Despite the fact that Seiboku is labeled as the blue-black, the color is actually a lighter blue that Souboku. The pigmentation allows the ink to be incredibly water resistant, as well as contributes to the intense shading and sheening of the ink. As with any Sailor...

Sailor's Pigmented Souboku ink is a pigmented blue ink that is safe to use in any pen. The pigmentation allows the ink to be incredibly water resistant, as well as contributes to the intense shading of the ink. Despite being a pigmented ink, the color itself is slightly unsaturated. 12 Cartridges Made in Japan